Read Edit View history 煤层气 méicéngqì coalbed methane Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 煤层气/煤層氣 · méicéngqì · coalbed methane 2026/03/04 煤层气 / 煤層氣 méicéngqì coalbed methane coalbed methane 该地区煤层气资源非常丰富。 noun created sense Mar 4, 2026, 02:25 AM